Across
- 3. Fossil fuels will last about this long if we keep using them at the same rate.
- 4. What you need to charge your phone.
- 6. The perfect source of energy.
- 8. A renewable energy source coming from the sun.
- 10. Different fuels that come from animals that died over 100 million years ago, including coal, petroleum, and natural gas.
- 11. The material used as the source of nuclear energy.
- 12. A renewable energy source that uses water.
Down
- 1. The type of energy involved in movement.
- 2. The type of energy stored in a battery.
- 5. Oil made from fossils from 100 million years ago.
- 7. The energy created when an atom is split.
- 9. What turns to generate electricity from other sources.
- 13. A renewable energy source that blows.